An adaptive time slot allocation strategy for W-CDMA/TDD system

Author

Lee, Jiwoong ; Han, Youngnam ; Kwon, Dongseund

Author_Institution

Inf. & Commun. Univ., South Korea

Volume

4

fYear

2001

fDate

2001

Firstpage

2509

Abstract

The code division multiple access system with time division duplex mode (CDMA/TDD) where the same frequency allocation is made for both uplink and downlink is a good solution when the traffic asymmetry between uplink and downlink exists. However, when the asymmetry of each cell may be significantly different from each other, the traffic may experience severe interference from each other when each cell´s own slot allocation is made according to the level of traffic asymmetry in each cell. The interference in the W-CDMA/TDD system when the slot allocations are made according to traffic patterns of each cell is analyzed, and a time slot allocation scheme considering the traffic asymmetry is proposed. In this paper, system performances are simulated under the proposed time slot allocation strategy and its optimal operation of the strategy is investigated

Keywords

cellular radio; code division multiple access; radiofrequency interference; telecommunication traffic; time division multiplexing; W-CDMA/TDD system; adaptive time slot allocation strategy; adjacent cell interference; cellular radio; code division multiple access system; downlink; interference; time division duplex mode; traffic asymmetry; uplink; Bandwidth; Downlink; Electronic mail; Interference; Land mobile radio; Multiaccess communication; Radio frequency; Radio spectrum management; Resource management; Traffic control;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd

Conference_Location

Rhodes

ISSN

1090-3038

Print_ISBN

0-7803-6728-6

Type

conf

DOI

10.1109/VETECS.2001.944053

Filename

944053